20396656

素因数分解:

$2^4\times 7^1\times {\mathrm{269}}^1\times {\mathrm{677}}^1$

素因数の和:961

約数の個数: 40

約数和(自身を含む): 45398880

約数和(自身を除く): 25002224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 269, 538, 677, 1076, 1354, 1883, 2152, 2708, 3766, 4304, 4739, 5416, 7532, 9478, 10832, 15064, 18956, 30128, 37912, 75824, 182113, 364226, 728452, 1274791, 1456904, 2549582, 2913808, 5099164, 10198328, 20396656]

約数ペア:

[(1, 20396656), (2, 10198328), (4, 5099164), (7, 2913808), (8, 2549582), (14, 1456904), (16, 1274791), (28, 728452), (56, 364226), (112, 182113), (269, 75824), (538, 37912), (677, 30128), (1076, 18956), (1354, 15064), (1883, 10832), (2152, 9478), (2708, 7532), (3766, 5416), (4304, 4739)]